“Young river otters are extremely dependent on their mothers, and Tilly not only raised her own offspring but three other ...

The Oregon Zoo mourns the loss of Tilly, a 16-year-old North American river otter, who was humanely euthanized due to ...

(KATU) — The Oregon Zoo is mourning the loss of Tilly, the oldest member of its North American river otter family ... when video of his rough-and-tumble swimming lessons earned more than ...